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Im looking for the same thing. The digipot setup sounds the best (and most economical). I was thinking a LM317 and MCP41010. Do you have a recommend diagram?? I can figure it out eventually but I tend to burn chips faster when I do!

I'm in

I picked up a few 240VAC 40A SSRs. What connector did you use to connect to them or did you just solder the wires on? What gauge? I was thinking 6.

Anyone use these? Seem way too cheap. http://www.ronshomeandhardware.com/5500W-240V-Ripp-Element-p/808790.htm?click=1014

Any recommendations on where to source an element?

I plan on using a GHI Cobra to fully automate my system. I would just use a relay to cycle the elements on/off. I have been studying and researching over the past few weeks and think I have what I need. I'll post my design soon. I plan on making my code open source. It will be an alternative to...

Im actually good with both and am going the electric route. That leads to my next question. How big of an element? Im going to be doing up to 10 gallon batches in 15 gallon kettles.

Im planning on building and running my first real rig in my basement. I have access to GAS or Electric as a heating source. I would think gas is more efficient and less expensive to run. Any thoughts?

I missed something. Is flow control for sparging being done using PWM?